06 May 2013 23:01 [Source: ICIS news]
SAO PAULO (ICIS)--The automobiles in the IndyCar series have chassis made from carbon fibre and Kevlar, an aramid fibre, an executive said on Monday.
"Probably the most common material we use is carbon fibre," said Will Phillips, vice president of technology at IndyCar, on the sidelines of Sao Paulo Indy 300.
"While it’s an expensive component for the road car industry, it is the most common component in the chassis in almost all forms of motorsport, especially the open-wheel and sports cars," he said.
In addition, IndyCar uses around 90-95% of carbon fibre on the body work side of its cars.
Kevlar tends to be used between carbon-fibre layers, he said. "It’s used heavily in the car where components might be subjected to stone chips or debris coming off the road."
He added: "The difficulty with Kevlar is once you’ve used it – it’s laid up and cured into the material – it’s very hard to cut and very hard to trim. It’s very light weight. It’s a typical material used in bullet-proof vests for example. It’s very good for its penetrative resistance."
IndyCar also integrates some plastics, he said. "For example, the skids that we use underneath the car, teams are able to use various forms of plastic. Indeed, one of them that they are using now is called Tegris."
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